New build (Updated from previous thread)

JMR120600

Distinguished
Nov 1, 2013
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Heres the specs then ill do the questions

Gigabyte GTX660
AMD FX 6300
AsRock 990FX extreme 3
8gb Crucial Ballistix smart tracer (2x4 gb)
1tb seagate barracuda
Corsair CX500M Powersupply
Win 8 Basic
i have already purchased a case, gpu hard drive and ESD Band

Question 1; Are there any conflicts with mobo, cpu or ram?
Question 2; will the psu be good for SLI? There are two 6pin pcie connectors, and a gtx 660 only takes one, thanks before hand guys.